/* PIMS Login Page - Custom Design System */
:root {
    --primary-color: #191BA9;
    --secondary-color: #5CC2F2;
    --accent-color: #C1EAF2;
    --light-color: #F7F3F3;
    --dark-color: #0A0A0A;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    
    /* Gradient definitions */
    --primary-gradient: linear-gradient(135deg, #191BA9 0%, #5CC2F2 100%);
    --secondary-gradient: linear-gradient(135deg, #5CC2F2 0%, #C1EAF2 100%);
    --accent-gradient: linear-gradient(135deg, #C1EAF2 0%, #F7F3F3 100%);
    --light-gradient: linear-gradient(135deg, #F7F3F3 0%, #ffffff 100%);
    
    /* Shadow definitions */
    --shadow-sm: 0 0.125rem 0.25rem rgba(25, 27, 169, 0.15);
    --shadow: 0 0.5rem 1rem rgba(25, 27, 169, 0.15);
    --shadow-lg: 0 1rem 3rem rgba(25, 27, 169, 0.175);
    --shadow-xl: 0 1.5rem 4rem rgba(25, 27, 169, 0.2);
    
    /* Border radius */
    --border-radius-sm: 0.375rem;
    --border-radius: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    --border-radius-2xl: 1.5rem;
    
    /* Transitions */
    --transition-fast: all 0.15s ease-in-out;
    --transition: all 0.3s ease-in-out;
    --transition-slow: all 0.5s ease-in-out;
}

/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--light-gradient);
    color: var(--dark-color);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
    line-height: 1.6;
}

/* Main Layout */
.login-container {
    height: 100vh;
    width: 100vw;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    overflow: hidden;
    background: var(--light-gradient);
}

.login-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="pattern" width="40" height="40" patternUnits="userSpaceOnUse"><circle cx="20" cy="20" r="1" fill="rgba(25, 27, 169, 0.03)"/></pattern></defs><rect width="100" height="100" fill="url(%23pattern)"/></svg>');
    opacity: 0.5;
    pointer-events: none;
}

.login-form-container {
    position: relative;
    z-index: 1;
    max-width: 450px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 1rem;
}

.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(25, 27, 169, 0.1);
    border-radius: var(--border-radius-2xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    transition: var(--transition);
    max-height: 100%;
}

.login-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 2rem 5rem rgba(25, 27, 169, 0.25);
}

.login-header {
    background: var(--primary-gradient);
    color: white;
    padding: 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.login-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.login-header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    position: relative;
    z-index: 1;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.login-header p {
    margin: 0.5rem 0 0 0;
    opacity: 0.9;
    font-size: 0.9rem;
    position: relative;
    z-index: 1;
}

.login-body {
    padding: 2.5rem;
    max-height: calc(90vh - 120px);
    overflow-y: auto;
}

/* Form Controls */
.form-floating {
    margin-bottom: 1rem;
    position: relative;
}

.form-control {
    background: var(--light-color);
    border: 2px solid var(--accent-color);
    border-radius: var(--border-radius-lg);
    padding: 0.875rem 1rem;
    font-size: 0.95rem;
    transition: var(--transition);
    color: var(--dark-color);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(25, 27, 169, 0.25);
    background: white;
    outline: none;
}

.form-floating label {
    color: var(--dark-color);
    opacity: 0.7;
    padding: 0.875rem 1rem;
    transition: var(--transition);
}

.form-floating .form-control:focus ~ label,
.form-floating .form-control:not(:placeholder-shown) ~ label {
    color: var(--primary-color);
    opacity: 1;
    transform: scale(0.85) translateY(-0.5rem) translateX(0.15rem);
}

/* Password Toggle */
.password-toggle {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: var(--dark-color);
    opacity: 0.6;
    z-index: 10;
    transition: var(--transition);
    font-size: 1.1rem;
}

.password-toggle:hover {
    color: var(--primary-color);
    opacity: 1;
}

/* Checkbox */
.form-check-input {
    background-color: var(--light-color);
    border: 2px solid var(--accent-color);
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.form-check-label {
    color: var(--dark-color);
    font-weight: 500;
    margin-left: 0.5rem;
    transition: var(--transition);
}

.form-check-input:hover + .form-check-label {
    color: var(--primary-color);
}

/* Buttons */
.btn-primary {
    background: var(--primary-gradient);
    border: none;
    padding: 0.875rem;
    font-weight: 600;
    border-radius: var(--border-radius-lg);
    color: white;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(25, 27, 169, 0.3);
    color: white;
}

.btn-primary:active {
    transform: translateY(0);
}

/* Links */
.forgot-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.forgot-link:hover {
    color: var(--secondary-color);
    text-decoration: underline;
    transform: translateY(-1px);
}

/* Alerts */
.alert {
    border-radius: var(--border-radius-lg);
    border: none;
    font-weight: 500;
    margin-bottom: 1rem;
    backdrop-filter: blur(10px);
}

.alert-danger {
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Divider */
.divider {
    text-align: center;
    margin: 1.5rem 0;
    position: relative;
}

.divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
}

.divider span {
    background: var(--light-color);
    padding: 0 1rem;
    position: relative;
    color: var(--dark-color);
    font-size: 0.875rem;
    font-weight: 500;
}

/* Instructions */
.instructions {
    background: linear-gradient(135deg, var(--light-color) 0%, var(--accent-color) 100%);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--primary-color);
}

.instructions h6 {
    color: var(--dark-color);
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.instructions p {
    color: var(--dark-color);
    margin-bottom: 0;
    font-size: 0.875rem;
    opacity: 0.8;
}

/* Success Alert */
.alert-success {
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    color: #155724;
    border: 1px solid #c3e6cb;
}

/* Logo Circle */
.logo-circle {
    width: 50px;
    height: 50px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.3);
    border: 3px solid rgba(255, 255, 255, 0.5);
}

/* Carousel Styling */
.carousel-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: white;
    padding: 2rem 1.5rem;
    max-height: 100vh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.carousel-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
    animation: float 3s ease-in-out infinite;
}

.carousel-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.carousel-description {
    font-size: 1rem;
    opacity: 0.95;
    max-width: 400px;
    margin: 0 auto;
    line-height: 1.5;
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.carousel-indicators [data-bs-target] {
    background-color: rgba(255, 255, 255, 0.4);
    border: none;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    transition: var(--transition);
}

.carousel-indicators .active {
    background-color: var(--light-color);
    transform: scale(1.2);
}

.carousel-indicators {
    border-radius: var(--border-radius-xl);
    padding: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

/* Animations */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

/* Loading State */
.btn-primary.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn-primary.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    margin: auto;
    border: 2px solid transparent;
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .login-form-container {
        max-height: 95vh;
        padding: 0.5rem;
    }
    
    .login-header {
        padding: 1.5rem;
    }
    
    .login-header h1 {
        font-size: 1.75rem;
    }
    
    .login-header p {
        font-size: 0.85rem;
    }
    
    .login-body {
        padding: 2rem;
        max-height: calc(95vh - 100px);
    }
    
    .form-floating {
        margin-bottom: 0.875rem;
    }
    
    .form-control {
        padding: 0.75rem 0.875rem;
        font-size: 0.9rem;
    }
    
    .form-floating label {
        padding: 0.75rem 0.875rem;
    }
    
    .btn-primary {
        padding: 0.75rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 576px) {
    .login-form-container {
        max-height: 95vh;
        padding: 0.25rem;
    }
    
    .login-header {
        padding: 1.25rem;
    }
    
    .login-header h1 {
        font-size: 1.5rem;
    }
    
    .login-header p {
        font-size: 0.8rem;
    }
    
    .login-body {
        padding: 1.5rem;
        max-height: calc(95vh - 90px);
    }
    
    .form-floating {
        margin-bottom: 0.75rem;
    }
    
    .form-control {
        padding: 0.625rem 0.75rem;
        font-size: 0.875rem;
    }
    
    .form-floating label {
        padding: 0.625rem 0.75rem;
    }
    
    .btn-primary {
        padding: 0.625rem;
        font-size: 0.875rem;
    }
}

@media (max-width: 400px) {
    .login-form-container {
        max-height: 95vh;
        padding: 0.25rem;
    }
    
    .login-header {
        padding: 1rem;
    }
    
    .login-header h1 {
        font-size: 1.25rem;
    }
    
    .login-header p {
        font-size: 0.75rem;
    }
    
    .login-body {
        padding: 1.25rem;
        max-height: calc(95vh - 80px);
    }
    
    .form-floating {
        margin-bottom: 0.625rem;
    }
    
    .form-control {
        padding: 0.5rem 0.625rem;
        font-size: 0.8rem;
    }
    
    .form-floating label {
        padding: 0.5rem 0.625rem;
    }
    
    .btn-primary {
        padding: 0.5rem;
        font-size: 0.8rem;
    }
    
    .password-toggle {
        font-size: 1rem;
        right: 0.75rem;
    }
}

/* Focus Effects */
.form-control:focus {
    animation: pulse 0.3s ease-in-out;
}

.btn-primary:focus {
    animation: pulse 0.3s ease-in-out;
    outline: none;
    box-shadow: 0 0 0 0.25rem rgba(25, 27, 169, 0.25);
}

/* Hover Effects */
.form-control:hover {
    border-color: var(--primary-color);
    background: white;
}

.form-floating:hover label {
    opacity: 1;
}

/* Accessibility */
.form-control:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.btn-primary:focus-visible {
    outline: 2px solid var(--light-color);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .carousel-section {
        display: none;
    }
    
    .login-section {
        background: white;
    }
    
    .login-card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}